- 21 June 2016 (23rd June 2016 for online payment and filing):
P30 monthly return and payment for May 2016
- 19 June 2016 (23rd June 2016 for online payment and filing):
Corporation Tax Return CT 1 and final payment for companies with accounting periods ending 30 September 2015
- 21 June 2016 (23rd June 2016 for online payment and filing):
Preliminary Corporation Tax due (where liability is less than €200,000) for accounting periods ending 31 July 2016
- 30 June 2016:
Form 46G for companies with accounting periods ending 30 September 2015